3617666

Information

• Patent Grant
• 3617666

• References
• Source

• Patent Number

  3,617,666

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • H01H13/807 - characterised by the spatial arrangement of the contact sites
  • H01H13/702 - with contacts carried by or formed from layers in a multilayer structure
  • H01H2203/01 - Woven wire screen
  • H01H2203/032 - Metal foil
  • H01H2209/002 - Materials
  • H01H2209/016 - Protection layer
  • H01H2209/028 - Paper
  • H01H2215/03 - Sound
  • H01H2217/026 - Pencil operated
  • H01H2219/002 - replaceable adaptable
  • H01H2221/064 - Limitation of actuating pressure
  • H01H2225/002 - superimposed
  • H01H2229/028 - Adhesive
  • H01H2231/034 - Coordinate determination
  • H01H2231/038 - Level sensing or limit switch
  • H01H2239/03 - Avoiding erroneous switching

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 341 - Coded data generation or conversion
  • 434 - Education and demonstration